sid
951182f6df
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55 lines
1.2 KiB
Nix
55 lines
1.2 KiB
Nix
{
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config,
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pkgs,
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lib,
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...
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}:
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# Set `networking.hostId` to:
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# $ head -c 8 /etc/machine-id
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# Mark datasets to snapshot:
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# $ sudo zfs set com.sun:auto-snapshot:daily=true dpool/data/backup
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# Generate SSH key for replication (empty passphrase):
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# $ sudo -i ssh-keygen -t rsa -b 4096 -f /root/.ssh/zfs-replication
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let
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cfg = config.services.zfs;
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inherit (lib) mkDefault mkForce;
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in
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{
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boot.supportedFilesystems = [ "zfs" ];
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boot.loader.systemd-boot.enable = mkForce false;
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boot.loader.grub.enable = mkForce true;
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boot.loader.grub.zfsSupport = mkForce true;
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services.zfs.trim = {
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enable = mkDefault true;
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interval = mkDefault "weekly";
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};
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services.zfs.scrub = {
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enable = mkDefault true;
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interval = mkDefault "monthly";
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};
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services.zfs.autoSnapshot = {
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enable = mkDefault true;
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flags = mkDefault "-k -p --utc";
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frequent = mkDefault 0;
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hourly = mkDefault 24;
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daily = mkDefault 7;
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weekly = mkDefault 4;
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monthly = mkDefault 0;
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};
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services.zfs.autoReplication = {
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username = mkDefault "root";
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identityFilePath = mkDefault "/root/.ssh/zfs-replication";
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followDelete = mkDefault true;
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};
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environment.systemPackages = with pkgs; [ lz4 ];
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}
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